On September 29, 1982, a chain of events began that rendered 7 Chicago-area residents the victims of a sadistic killer who tainted over-the-counter- medications in local pharmacies. It was an incident that not only spread confusion, fear, and paranoia far and wide, but ultimately revolutionized the pharmaceutical industry's safety standards. However, decades later, the crime remains unsolved, and the victims have received no justice. Join host Ryan Kraus for a psychological profile of the perpetrator in an attempt to unveil the evil face lurking in the shadows.